Install the Shelf and FMECs

This chapter explains how to install the Cisco ONS 15454 SDH shelf assembly. To view a summary of the tools and equipment required for installation, see the "Required Tools and Equipment" section.

Note Except where noted, the procedures and tasks in this chapter apply to DWDM (Software Release 4.5) and non-DWDM (Software R4.1 and earlier) nodes.

Before You Begin

This section lists the chapter procedures (NTPs). Turn to a procedure for applicable tasks (DLPs). Read the installation procedures and precautions before you install the ONS 15454 SDH and connect the power source.

4. D219 Open and Remove the FMEC Cover—Complete this procedure to access the electrical facility connection assembly (EFCA) for the front mount electrical connections (FMECs) before continuing with other procedures in this chapter.

Warning This equipment must be installed and maintained by service personnel as defined by AS/NZS 3260. Incorrectly connecting this equipment to a general-purpose outlet could be hazardous. The telecommunications lines must be disconnected 1) before unplugging the main power connector or 2) while the housing is open, or both.

Warning This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock and key, or other means of security.

Warning Ultimate disposal of this product should be handled according to all national laws and regulations.

Warning A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.

Note The ONS 15454 SDH is suitable for mounting on concrete or other noncombustible surfaces only.

Note In this chapter, shelf assembly refers to the steel enclosure that holds cards and connects power, and node refers to the entire hardware and software system.

Required Tools and Equipment

You need the following tools and equipment to install and test the ONS 15454 SDH.

Cisco-Supplied Equipment

These materials are required for installation and are supplied with the ONS 15454 SDH. The shipped quantity of each item is in parentheses.

Warning Stability hazard. The rack stabilizing mechanism must be in place, or the rack must be bolted to the floor before you slide the unit out for servicing. Failure to stabilize the rack can cause the rack to tip over.

Warning This product requires short-circuit (overcurrent) protection, to be provided as part of the building installation. Install only in accordance with national and local wiring regulations.

Warning To prevent the system from overheating, do not operate it in an area that exceeds the maximum recommended ambient temperature of: 45°C (113°F).

Warning Take care when connecting units to the supply circuit so that wiring is not overloaded.

Warning

To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety:

•This unit should be mounted at the bottom of the rack if it is the only unit in the rack.

•When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component at the bottom of the rack.

•If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack.

Note The shelf, the air ramp, and the E1-75/120 conversion panel are shipped with the ETSI mounting brackets installed as needed for installation in an ETSI rack. If you want to install the node in a 19-inch (482.6-mm) rack, the ETSI mounting brackets of the shelf and the air ramp need to be replaced with the 19-inch (482.6-mm) mounting brackets. The 19-inch (482.6-mm) mounting brackets need to be ordered separately. If required, the mounting brackets of the E1-75/120 conversion panel can be uninstalled, rotated 90 degrees, and reinstalled to enable 19-inch (482.6-mm) rack mounting.

Note The ONS 15454 SDH requires 616.5 mm (24.24 in.) minimum of vertical rack space and 25 mm (1 in.) below the installed shelf assembly to allow air flow to the fan intake. If a second ONS 15454 SDH is installed above a shelf assembly, the air ramp (see the "D320 Install the Air Ramp in a Rack" procedure) between the shelves provides space for air flow. To ensure the mounting is secure, use two to four M6 mounting screws for each side of the shelf assembly. A shelf assembly should be mounted at the bottom of the rack if it is the only unit in the rack.

Step 1 Verify that the proper fuse and alarm panel is installed in the top mounting space. If a fuse and alarm panel has not been installed, you must install one according to the manufacturer's instructions.

Step 2 Ensure that the shelf assembly is set for the desired rack size. Figure 1-1 shows the rack-mounting position for an ONS 15454 SDH shelf.

Figure 1-1 Mounting an ONS 15454 SDH in a Rack

Step 3 Using the hex tool that shipped with the assembly, install the two temporary set screws into the holes that will not be used to mount the shelf. Let the set screws protrude sufficiently to hold the mounting brackets.

Step 4 Lift the shelf assembly to the desired position in the rack.

Step 5 Align the screw holes on the mounting ears with the mounting holes in the rack.

Step 6 Install one mounting screw in each side of the assembly.

Step 7 When the shelf assembly is secured to the rack, install the remaining mounting screws.

Note Use at least one set of the horizontal screw slots on the ONS 15454 SDH to prevent slippage.

Note The ONS 15454 SDH requires 616.5 mm (24.24 in.) minimum of vertical rack space and 25 mm (1 in.) below the installed shelf assembly to allow air flow to the fan intake. If a second ONS 15454 SDH is installed above a shelf assembly, the air ramp (see the "D320 Install the Air Ramp in a Rack" procedure) between the shelves provides space for air flow. To ensure the mounting is secure, use two to four M6 mounting screws for each side of the shelf assembly. A shelf assembly should be mounted at the bottom of the rack if it is the only unit in the rack.

Step 1 Verify that the proper fuse and alarm panel is installed in the top mounting space. If a fuse and alarm panel has not been installed, you must install one according to the manufacturer's instructions.

Step 2 Ensure that the shelf assembly is set for the desired rack size.

Step 3 Using the hex tool that shipped with the assembly, install the temporary mounting screws into the holes that will not be used to mount the shelf. Let the mounting screws protrude sufficiently to hold the mounting brackets.

Step 4 Lift the shelf assembly to the desired position in the rack.

Step 5 Align the screw holes on the mounting ears with the mounting holes in the rack.

Step 6 Have one person hold the shelf assembly in place while the other person installs one mounting screw in each side of the assembly.

Step 7 When the shelf assembly is secured to the rack, install the remaining mounting screws.

Note Use at least one set of the horizontal screw slots on the ONS 15454 SDH to prevent slippage.

Note The standard ETSI racks can hold three ONS 15454 SDHs and two air ramps. When mounting a shelf assembly in a partially filled rack, load the rack from the bottom to the top with the heaviest component at the bottom of the rack. If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack.

Note The ONS 15454 SDH requires 616.5 mm (24.24 in.) minimum of vertical rack space and 25 mm (1 in.) below the installed shelf assembly to allow air flow to the fan intake. If a second ONS 15454 SDH is installed above a shelf assembly, the air ramp (see the "DLP-D320 Install the Air Ramp in a Rack" task) between the shelves provides space for air flow. When using third-party equipment above the ONS 15454 SDH, provide a minimum of 25 mm (1 in.) between the third-party unit and the bottom of the ONS 15454 SDH. The third-party equipment must not vent heat upward into the ONS 15454 SDH.

Note The air ramp is needed if you install more than one shelf in the ETSI rack. Install the air ramp below the top shelf assembly. To ensure the air ramp is secure, use one or two M6 mounting screws for each side of the shelf assembly.

Note Install the air ramp after you have connected and routed all cables for the ONS 15454 SDH.

DLP-D8 Open the Front Cabinet Compartment (Door)

Note The ONS 15454 SDH has an ESD plug input and is shipped with an ESD wrist strap. The ESD plug input is located on the outside of the shelf assembly on the right side. It is labeled "ESD" on the top and bottom. Always wear an ESD wrist strap and connect the strap to the ESD plug when working on the ONS 15454 SDH.

Step 1 Open the front door lock.

The ONS 15454 SDH comes with a pinned hex key for locking and unlocking the front door. Turn the key counterclockwise to unlock the door and clockwise to lock it.

Step 2 Press the door button to release the latch. A button on the right side of the shelf assembly releases the door.

DLP-D322 Remove the FMEC Cover

Step 1 Unscrew the nut holding the ground wire to the shelf. Remove nut and washer.

Step 2 Remove the ground wire from the left side of the shelf.

Step 3 Pull the right side of the hinge-locking spring shown in Figure 1-6.

Figure 1-6 Removing the ONS 15454 SDH FMEC Cover

Step 4 Detach the cover from the pin of the hinge shown in Figure 1-6.

Step 5 Remove the cover carefully from the left pin of the hinge shown in Figure 1-6.

Step 6 Return to your originating procedure (NTP).

NTP-D220 Install the Power and Signal FMECs

Purpose

This procedure installs the FMECs in the EFCA. The ONS 15454 SDH has an EFCA located at the top of the shelf. The EFCA provides connection for installing power, external alarms, timing input and output, and craft interface terminals.

Warning Voltage is present on the backplane when the system is operating. To reduce risk of an electric shock, keep hands and fingers out of the power supply bays and backplane areas.

Step 1 Verify which FMEC is required for your application.

The ONS 15454 SDH EFCA has 12 FMEC slots numbered sequentially from left to right. Slots 18 to 22 and 25 to 29 provide electrical connections for the corresponding slots. The FMEC-E1, FMEC-DS1/E1, FMEC E1-120NP, and FMEC E1-120PROA cards can be installed in Slots 18 to 21. The FMEC E1-120PROB card can be installed in Slots 26 to 29. FMEC-E3/DS3, FMEC STM1E NP, FMEC STM1E 1:1, and FMEC STM1E 1:3 cards can be installed in Slots 18 to 21 or Slots 26 to 29.

Slot assignment is as follows:

•FMEC Slot 18 supports an electrical card in Slot 1.

•FMEC Slot 19 supports an electrical card in Slot 2.

•FMEC Slot 20 supports an electrical card in Slot 3.

•FMEC Slot 21 supports an electrical card in Slot 4.

•FMEC Slot 22 supports an electrical card in Slot 5.

•FMEC Slot 23 supports the MIC-A/P.

•FMEC Slot 24 supports the MIC-C/T/P.

•FMEC Slot 25 supports an electrical card in Slot 13.

•FMEC Slot 26 supports an electrical card in Slot 14.

•FMEC Slot 27 supports an electrical card in Slot 15.

•FMEC Slot 28 supports an electrical card in Slot 16.

•FMEC Slot 29 supports an electrical card in Slot 17.

Note Refer to the Cisco ONS 15454 Reference Manual for a list of FMEC ports, line rates, connector options, and connector locations.

Note FMEC E1-120PROA has no access from the FMEC in Slot 20 to the main board in Slot 3. FMEC E1-120PROB has no access from the FMEC in Slot 27 to the main board in Slot 15.

Step 4 Push the FMEC gently into the connector. The ONS 15454 SDH FMECs plug into electrical connectors on the back panel of the shelf assembly when the screws are tightened. Figure 1-7 shows FMEC installation.

Warning Shut off the power from the power source or turn off the breakers before beginning work.

Warning This equipment is intended to be grounded. Ensure that the host is connected to earth ground during normal use.

Warning Do not mix conductors of dissimilar metals in a terminal or splicing connector where physical contact occurs (such as copper and aluminum, or copper and copper-clad aluminum), unless the device is suited for the purpose and conditions of use.

Warning Connect the ONS 15454 SDH only to a DC power source that complies with the safety extra-low voltage (SELV) requirements in IEC 60950-based safety standards.

Warning The ONS 15454 SDH relies on the protective devices in the building installation to protect against short circuit, overcurrent, and grounding faults. Ensure that the protective devices are properly rated to protect the system, and that they comply with national and local codes.

Warning A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.

Warning When installing redundant power feeds, do not use aluminum conductors.

Warning If you use redundant power leads to power the ONS 15454 SDH, disconnecting one lead will not remove power from the node.

Caution Always use the supplied ESD wristband when working with a powered ONS 15454 SDH. Plug the wristband cable into the ESD jack located on the lower-right outside edge of the shelf assembly.

Note The ONS 15454 SDH is powered using -48 VDC power.

Step 1 Verify that a 100-A fuse panel (30-A fuse per shelf minimum) is installed. If not, install one according to manufacturer's instructions.

Warning This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available.

Step 1 Use a wire-stripping tool to remove approximately 0.75 inch (19 mm) of the covering from the end of the grounding wire.

Step 2 Insert the stripped end of the grounding wire into the open-end of the grounding lug.

Step 3 Use the crimping tool to secure the grounding wire in two different places in the grounding lug.

Step 4 Locate the grounding receptacle on the side panel of the shelf (see Figure 1-8).

Step 5 Place the grounding lug against the grounding receptacle on the side panel of the shelf.

Step 6 Insert one of the screws through the locking washer and through the hole in the grounding lug. Insert the screw into the threaded holes on the right side of the shelf. Ensure that the grounding lug does not interfere with other system hardware or rack equipment.

Step 1 Apply power to the fuse and alarm panel and label all cables, according to local site practice.

Step 2 Using a voltmeter, verify the office battery and ground at the following points on the fuse and alarm panel:

a. To verify the power, place the black test lead of the voltmeter to the frame ground. Place the red test lead on the A-side connection and verify that it is between -42 VDC and -57 VDC. Place the red test lead on the B-side connection and verify that it is between -42 VDC and -57 VDC.

Note The voltages -42 VDC and -57 VDC are, respectively, the minimum and maximum voltages required to power the chassis.

b. To verify the ground, place the black test lead of the voltmeter to the frame ground. Place the red test lead on the A-side return ground and verify that no voltage is present. Place the red test lead on the B-side return ground and verify that no voltage is present.

Step 3 Complete one of the following to power up the node:

•If you are using a 80-A fuse panel, insert a 20-A fuse into the fuse position according to site practice.

•If you are using a 100-A fuse panel, insert a 30-A fuse into the fuse position according to site practice.

Step 4 Using a voltmeter, verify the shelf for -48 VDC battery and ground:

a. To verify the A-side of the shelf, place the black lead of the voltmeter to the frame ground. Place the red test lead to the BAT1 (A-side battery connection) red cable. Verify that it reads between -42 VDC and -57 VDC. Then place the red test lead of the voltmeter to the RET1 (A-side return ground) black cable and verify that no voltage is present.

Note The voltages -42 VDC and -57 VDC are, respectively, the minimum and maximum voltages required to power the chassis.

b. To verify the B-side of the shelf, place the black test lead of the voltmeter to the frame ground. Place the red test lead to the BAT2 (B-side battery connection) red cable. Verify that it reads between -42 VDC and -57 VDC. Then place the red test lead of the voltmeter to the RET2 (B-side return ground) black cable and verify that no voltage is present.

Caution Do not operate an ONS 15454 SDH without a fan-tray air filter. A fan-tray air filter is mandatory.

Note Error messages appears on the TCC2, fan-tray LED, and in CTC when the fan-tray assembly is removed from the shelf or when one fan is not working.

Step 1 Install the air filter. The air filter can be installed internally between the fan tray and shelf assembly, or externally by mounting the air filter bracket on the bottom of the shelf assembly. Slide the air filter into the bracket.

Step 2 Install the fan-tray assembly. The fan-tray assembly has locks on the outer edges. Press and hold the locks as you slide the fan-tray assembly into the shelf assembly. The electrical plug at the rear of the tray should plug into the corresponding receptacle on the assembly.

Caution Do not force a fan-tray assembly into place. This can damage the connectors on the fan-tray assembly and/or the connectors on the back panel of the shelf assembly.

Step 3 To verify that the tray has plugged into the assembly, check if the LCD on the front of the fan-tray assembly is activated. Figure 1-9 shows the fan-tray location.

NTP-D222 Install and Ground the E1-75/120 Conversion Panel

Purpose

Use this procedure to install and ground the E1-75/120 conversion panel. You need an E1-75/120 conversion panel if you want to convert the balanced 120-ohm interfaces of the E1-42 card and the corresponding FMECs to unbalanced 75-ohm interfaces.

Step 1 Using 0.51 mm² or 0.64 mm² (#22 or #24 AWG) wires, connect the alarm and control wires on the appropriate pins of the DB-62 connector. The pin connectors, signal names, and functions are listed in Table 1-3.

Table 1-3 Alarm Pin Assignments

DB-62 Pin Connector

Signal Name

Function

1

ALMCUTOFF-

Alarm cutoff

2

ALMCUTOFF+

Alarm cutoff

3

ALMINP0-

Alarm input pair number 1

4

ALMINP0+

Alarm input pair number 1

5

ALMINP1-

Alarm input pair number 2

6

ALMINP1+

Alarm input pair number 2

7

ALMINP2-

Alarm input pair number 3

8

ALMINP2+

Alarm input pair number 3

9

ALMINP3-

Alarm input pair number 4

10

ALMINP3+

Alarm input pair number 4

11

EXALM0-

Extra alarm 0

12

EXALM0+

Extra alarm 0

13

FGND

Ground

14

EXALM1-

Extra alarm 1

15

EXALM1+

Extra alarm 1

16

EXALM2-

Extra alarm 2

17

EXALM2+

Extra alarm 2

18

EXALM3-

Extra alarm 3

19

EXALM3+

Extra alarm 3

20

EXALM4-

Extra alarm 4

21

EXALM4+

Extra alarm 4

22

EXALM5-

Extra alarm 5

23

EXALM5+

Extra alarm 5

24

EXALM6-

Extra alarm 6

25

EXALM6+

Extra alarm 6

26

FGND

Ground

27

EXALM7-

Extra alarm 7

28

EXALM7+

Extra alarm 7

29

EXALM8-

Extra alarm 8

30

EXALM8+

Extra alarm 8

31

EXALM9-

Extra alarm 9

32

EXALM9+

Extra alarm 9

33

EXALM10-

Extra alarm 10

34

EXALM10+

Extra alarm 10

35

EXALM11-

Extra alarm 11

36

EXALM11+

Extra alarm 11

37

ALMOUP0-

Normally open output pair number 1

38

ALMOUP0+

Normally open output pair number 1

39

FGND

Ground

40

ALMOUP1-

Normally open output pair number 2

41

ALMOUP1+

Normally open output pair number 2

42

ALMOUP2-

Normally open output pair number 3

43

ALMOUP2+

Normally open output pair number 3

44

ALMOUP3-

Normally open output pair number 4

45

ALMOUP3+

Normally open output pair number 4

46

AUDALM0-

Normally open minor audible alarm

47

AUDALM0+

Normally open minor audible alarm

48

AUDALM1-

Normally open major audible alarm

49

AUDALM1+

Normally open major audible alarm

50

AUDALM2-

Normally open critical audible alarm

51

AUDALM2+

Normally open critical audible alarm

52

FGND

Ground

53

AUDALM3-

Normally open remote audible alarm

54

AUDALM3+

Normally open remote audible alarm

55

VISALM0-

Normally open minor visible alarm

56

VISALM0+

Normally open minor visible alarm

57

VISALM1-

Normally open major visible alarm

58

VISALM1+

Normally open major visible alarm

59

VISALM2-

Normally open minor visible alarm

50

VISALM2+

Normally open minor visible alarm

61

VISALM3-

Normally open minor visible alarm

62

VISALM3+

Normally open minor visible alarm

Step 2 Connect the other end of the alarm and control wires according to local site practice.

Step 3 Connect the DB-62 connector to the ALARM IN/OUT connector on the MIC-A/P faceplate.

Step 4 Tighten the screws of the connector on the alarm cable.

Step 5 Return to your originating procedure (NTP).

DLP-D325 Install Timing Cables on the MIC-C/T/P

Purpose

This task installs the timing cables on the MIC-C/T/P.

Tools/Equipment

75-ohm coaxial cable with 1.0/2.3 miniature coax connector on the MIC-C/T/P side

Step 1 Using coaxial cable with 1.0/2.3 miniature coax connectors, connect the clock cable on the appropriate connector on the faceplate of the MIC-C/T/P.

Step 2 Gently push the cable with the 1.0/2.3 miniature coax connector down until the cable connector slides into the 1.0/2.3 miniature coax connector on the faceplate with a click.

The MIC-C/T/P provides 1.0/2.3 miniature coax connectors that are used for timing input and output. The top connectors are for "A" (BITS-1) timing, and the bottom connectors are for "B" (BITS-2) timing. In each case, the left connector is the input and the right connector is the output. The input connectors for timing provide a 75-ohm termination. System cables are available that can convert timing clocks from 75 ohms to 100/120 ohms. Table 1-4 shows MIC-C/T/P pin assignments.

Table 1-4 MIC-C/T/P Clock Connector Pin Assignment

Pin

Function

IN 1

Input from external device

OUT 1

Output to external device

IN 2

Input from external device

OUT 2

Output to external device

A high-impedance option (> 3 kohms or greater) is possible through a jumper on the MIC-C/T/P FMEC. You can change the top timing input to high impedance by removing the jumper on P3 on the MIC-C/T/P FMEC. You can change the bottom timing input to high impedance by removing the jumper on P2 on the MIC-C/T/P FMEC.

Note Rather than using the LAN connection port on the MIC-C/T/P, you can use the LAN connection port on the TCC2 if preferred. Use either the MIC-C/T/P connection or the TCC2 connection. You cannot use the LAN connection port on the MIC-C/T/P and the LAN connection port on the TCC2 simultaneously; however, it is possible for you to make a direct connection from a computer to the LAN connection port on the TCC2 while the LAN connection port on the MIC-C/T/P is in use as long as the computer connected directly to the TCC2 is not connected to a LAN.

Step 1 Using 0.51 mm² or 0.64 mm² (#22 or #24 AWG) wire or CAT5 UTP Ethernet cable, connect the wires to the RJ-45 connector according to Table 1-5.

Step 1 To route coaxial cables, tie wrap or lace the coaxial cables according to local site practice and route the cables through the side cutouts on either side of the ONS 15454 SDH. The rubber-coated edges of the side cutouts prevent the cables from chafing.

Step 2 To route twisted-pair cables, tie-wrap or lace the twisted-pair cables according to local site practice and route the cables into the side cutouts on either side of the ONS 15454 SDH.

Caution The ONS 15454 SDH has an ESD plug input and is shipped with an ESD wrist strap. The ESD plug input is located on the outside of the shelf assembly on the right side. It is labeled "ESD" on the top and bottom. Always wear an ESD wrist strap and connect the strap to the ESD plug when working on the ONS 15454 SDH.

Step 2 Two sets of mounting brackets are included with the DCU mounting kit, one set each, for 19-inch or 23-inch racks. Verify that your chassis is equipped with the correct set of brackets for your rack. Change the brackets as required.

Step 3 Align the chassis with the rack mounting screw holes, then insert and tighten the four screws.

Warning This equipment must be properly grounded per local standards and in compliance with NEBS. If not properly grounded-personal injury or equipment failure could occur.

Step 4 Connect a frame ground to the ground terminal provided on either side of the chassis. Use minimum #14 AWG wire.